From: Greg Fodor <gfodor@...>
Date: 2007-07-20T17:20:06+09:00
Subject: Re: Ruby thread-dump Gem

On Jul 20, 1:06 am, "Bill Kelly" <bi...@cts.com> wrote:
> From: "Greg Fodor" <gfo...@gmail.com>
>
>
>
> > I've written a small C extension for Ruby that will send a list of
> > threads and their current file/line number executing to STDERR upon
> > receiving a SIGQUIT.
>
> Nice.  I've wanted this ability a few times.
>
> > This helped us track down a nasty bug that was occuring due to the
> > lack of a timeout in Net::HTTP during SSL connect, which still seems
> > to be busted in ruby trunk.
>
> Could you describe this in more detail, or possibly post a diff
> of the changes you made to fix the bug?  (We're about to ship a
> product with embedded ruby using Net::HTTP and SSL, so it would
> be great to be able to eliminate any such lurking bug.)
>
> Thanks,
>
> Bill

We didn't fix it directly, we worked around it by timing out all
requests in the outer caller. The bug seems to be inside of def
connect, there is a call to "s.connect" if ssl is enabled, and this
call is not timed out. Some of our processes were hanging on this
call.